| event | round | table | player one | result | player two |
| Pro Tour Philadelphia 2005 | 8 | 5 | Szleifer, Gadiel (1920) | Won 2-0 | Herberholz, Mark (1795) |
| Grand Prix Charlotte 2005 | 9 | 31 | Szleifer, Gadiel (1904) | Lost 1-2 | Herberholz, Mark (1874) |
| Grand Prix Montreal 2007 | 4 | 12 | Szleifer, Gadiel (1858) | Lost 0-2 | Herberholz, Mark (2089) |